1, the difference between early autumn and late autumn: early autumn, summer fire is excessive, at this time it is mostly warm and dry, and some places are even hotter than summer; Late autumn is near winter, and the cold is gradually pressing. At this time, the moisture in the air will also decrease, mostly cold and dry.

2. beginning of autumn is the 13 solar term among the 24 solar terms, mostly at the turn of June and July of the lunar calendar. Beginning of autumn is a special moment. "Early autumn and late autumn" means that autumn begins before or after the sun comes out. Early refers to the period from 0: 00 to 12: 00, and late refers to the period from 12: 00 to 24: 00. In early autumn, the air is crisp and the temperature drops rapidly, which is in obvious contrast with summer. In late autumn and early autumn, there will be a very hot time, and that is the "autumn tiger".